body {
    font-family: "微软雅黑 Light", "Segoe UI";
    overflow-x: hidden;
}

/*banner 开始*/
#banner {
    width: 100%;
    height: 105vh;
    overflow: hidden;
    position: relative;
}
.ico{
    z-index:1000;
    position: absolute;
    top:30%;
    left:5%;
}
.ico span{
    font-family: 华文隶书;
    text-align: center;
    display: block;
    width:4vw;
    height:5vw;
    /*background: #f00;*/
    margin-top: 2%;
    font-size: 1.2vw;
    line-height:5vw;
    cursor: pointer;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -ms-transition: all 0.6s;
    -o-transition: all 0.6s;
    transition: all 0.6s;
}.ico span:hover{
    font-size: 3vw;
     -webkit-transition: all 0.6s;
     -moz-transition: all 0.6s;
     -ms-transition: all 0.6s;
     -o-transition: all 0.6s;
     transition: all 0.6s;
 }
.ico span:nth-child(1){
    color: #4277d5;
}
.ico span:nth-child(2){
    color: #079304;
}
.ico span:nth-child(3){
    color: #de5700;
}
.ico span:nth-child(4){
    color: #3d9db6;
}
#banner li {
    position: absolute;
    width: 100%;
    float: left;
    /*overflow: hidden;*/
}

.banner-bg {
    display: block;
    position: absolute;
    z-index: -999;
    width: 100%;
    height: 100vh;
}

.banner-word {
    width: 25%;
    /*height:40vh;*/
    background: rgba(0, 0, 0, 0.3);
    text-align: center;
    overflow: hidden;
    position: relative;
    top: 20vh;
    left: 10vw;
    opacity: 0;
    border-radius: 10px;
    box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.3);
    padding-right: 30px;
    color: #ffffff;
}

.banner-word h1 {
    font-size: 3vw;
    font-family: 隶书;
    text-align: right;
}

.banner-word p {
    font-size: 1.2vw;
    width: 2vw;
    float: right;
}

